BACKPORT: mmc: sdhci-msm: Set IO pins in low power state during suspend

Configure SDHC IO pins with low power configuration when the driver
is in suspend state.

Change-Id: Ia099d77289e8c3e2ced8fca718563ab366a4c6f5
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/1594213888-2780-2-git-send-email-vbadigan@codeaurora.org


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sarthak Garg <sartgarg@codeaurora.org>